Exercise bar



FIG. 1 is a perspective view of an exercise bar, showing my new design;

FIG. 2 is a top plan view thereof, the bottom plan view is a mirror image thereof;

FIG. 3 is a right end view thereof, the left end being identical thereto; and,

FIG. 4 is a front elevation view, the rear view being a mirror image thereof. 

We claim the ornamental design for an exercise bar, as shown and described. 